Region
Texas
215
Gillespie County
12
Big Thicket National Preserve (Tex.)
11
Edwards Aquifer (Tex.)
10
New Mexico
9
United States
9
Llano County
8
Blanco County
6
Bexar County
5
Brazos River Watershed
5
Edwards Aquifer
5
Hudspeth County
5
Culberson County
4
Hays County
4
Oklahoma
4
Austin
3
Dallas
3
El Paso
3
El Paso County
3
Houston Region
3
Texas, West
3
Trinity River Watershed
3
Burnet County
2
Flower Garden Banks National Marine Sanctuary
2
Flower Garden Banks National Marine Sanctuary (Tex.)
2
Gulf Coast
2
Gulf Region
2
Jeff Davis County
2
Kendall County
2
Laredo
2
Louisiana
2
Mason County
2
Mexican-American Border Region
2
Mexico
2
Missouri
2
Presidio County
2
Reeves County
2
Sam Houston National Forest (Tex.)
2
San Antonio
2
Shannon County
2
Southwest, New
2
Texas County
2
Trans-Pecos (Tex. and N.M.)
2
Trinity Aquifer
2
Trinity Aquifer (Tex.)
2
Abilene
1
Alamo (San Antonio, Tex.)
1
Altus, Lake, Watershed (Okla. and Tex.)
1
Amarillo
1
Amarillo (Tex.)
1
more ...